”xxxx.rsc.cdn77.org install malicious extensions, plug-ins, ads, banner ads, pop-up ads, etc and creates mess on your browsers. Even if mistakenly you click on any ads or link then also it redirects you to some other websites. It also uses cookie and keep spy on your online activities like browsing history, mostly visited websites, login, password details, etc. The redirect virus has the ability to disable the anti-virus and other security program without your knowledge.” Source: removemalwarevirus.com